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llvm-mirror/test/MC/Sparc/sparc-assembly-exprs.s
Daniel Cederman d254f97c03 [Sparc] Support relocatable expressions in the assembler
Allow assembler expressions to start with an identifier. This allows for expressions such as
```
b symbol + 4
```
and
```
mov symEnd - symStart, %g1
```

The patch builds upon https://reviews.llvm.org/D47136.

Reviewed By: joerg

Differential Revision: https://reviews.llvm.org/D47458
2021-02-10 14:52:44 +01:00

47 lines
2.0 KiB
ArmAsm

! RUN: llvm-mc %s -arch=sparc -show-encoding | FileCheck %s
! RUN: llvm-mc %s -arch=sparc -filetype=obj | llvm-objdump -r -d - | FileCheck %s --check-prefix=OBJDUMP
! CHECK: mov 1033, %o1 ! encoding: [0x92,0x10,0x24,0x09]
mov (0x400|9), %o1
! CHECK: mov 60, %o2 ! encoding: [0x94,0x10,0x20,0x3c]
mov ((12+3)<<2), %o2
! CHECK: ba symStart+4 ! encoding: [0x10,0b10AAAAAA,A,A]
! CHECK: fixup A - offset: 0, value: symStart+4, kind: fixup_sparc_br22
! OBJDUMP: ba 1
symStart:
b symStart + 4
! CHECK: mov symEnd-symStart, %g1 ! encoding: [0x82,0x10,0b001AAAAA,A]
! CHECK: fixup A - offset: 0, value: symEnd-symStart, kind: fixup_sparc_13
! OBJDUMP: mov 24, %g1
mov symEnd - symStart, %g1
! CHECK: sethi %hi(sym+10), %g2 ! encoding: [0x05,0b00AAAAAA,A,A]
! CHECK: fixup A - offset: 0, value: %hi(sym+10), kind: fixup_sparc_hi22
! OBJDUMP: R_SPARC_HI22 sym+0xa
sethi %hi(sym + 10), %g2
! CHECK: call foo+40 ! encoding: [0b01AAAAAA,A,A,A]
! CHECK: fixup A - offset: 0, value: foo+40, kind: fixup_sparc_call30
! OBJDUMP: R_SPARC_WDISP30 foo+0x28
call foo + 40
! CHECK: add %g1, val+100, %g1 ! encoding: [0x82,0x00,0b011AAAAA,A]
! CHECK: fixup A - offset: 0, value: val+100, kind: fixup_sparc_13
! OBJDUMP: R_SPARC_13 val+0x64
add %g1, val + 100, %g1
! CHECK: add %g1, 100+val, %g2 ! encoding: [0x84,0x00,0b011AAAAA,A]
! CHECK: fixup A - offset: 0, value: 100+val, kind: fixup_sparc_13
! OBJDUMP: R_SPARC_13 val+0x64
add %g1, 100 + val, %g2
symEnd:
! "." is exactly like a temporary symbol equated to the current line.
! RUN: llvm-mc %s -arch=sparc | FileCheck %s --check-prefix=DOTEXPR
! DOTEXPR: .Ltmp0
! DOTEXPR-NEXT: ba .Ltmp0+8
b . + 8